951
Unlike most birds, kiwis have heavy bones filled with marrow. Their powerful legs make up a third of their body weight and allow them to even outrun a person
[read more: buff.ly/30SrReC]
[clip by YT's Peter: buff.ly/3cJO8xP-]
952
Lindsey Swierk documented that the water anole can breathe under water for long periods of time to avoid predators through an underwater respiration system using a recycled air bubble that clings to the anole's head
[read more: buff.ly/3CWg2la]
953
This lenticular post card simulates the prop from “Back to the Future" and it was created for the 35th anniversary of the movie [source, read more: buff.ly/3xl69x7]
954
In the rain forests of Borneo, a caterpillar builds a tent-like structure that enables it to eat out of the sight of predators by cutting a section of a leaf and folding it along its tiny natural hinges
[📹 BBC Earth: buff.ly/3U3ktEr]
955
One of the biggest concentrations of bioluminescence in Marina del Rey, California.
A species of photosynthetic dinoflagellates is the cause of these impressive displays
[read more: buff.ly/3Dp4v1C]
[📹 Patrick Coyne: buff.ly/3RIRhkp]
956
Super agile and balanced, Direct Drive's Diablo is the world first wheeled-leg transformable robot powered by 6 direct-drive motors. Ah, and it can moonwalk
[source, full video: buff.ly/3qwLBy9]
957
The heliosphere is the outermost layer of the Solar System and protects the planets from powerful cosmic events like supernovae. This artist’s visualization shows its possible shape
[read more: buff.ly/3mCBkhn]
[source: buff.ly/3UkkVyn]
958
A demonstration of how the horizontal component of velocity remains constant
[explanation: ow.ly/2WX930oetjg]
959
The nuclear accident that occurred on March 10, 1956, when a B-47 Stratojet carrying two plutonium cores was lost over the Mediterranean. Despite an extensive search, the plane and its cargo was not located and its fate remains unknown today [read more: buff.ly/2ERjn6T]
960
This is the piano that Steinway & Sons has unveiled when celebrated its 600,000th piece: 'The Fibonacci' features the iconic spiral and is made out of Macassar Ebony [read more: buff.ly/2EQ34XO]
961
The Dakota fire pit is an efficient, simple fire design where the fire burns from the top downward, drawing a steady, laminar stream of fresh air from the air hole as it burns, achieving near complete combustion with little or no seen smoke [read more: buff.ly/3eAjeKo]
962
An analemma is a diagram showing the position of the Sun in the sky, as seen from a fixed location on Earth at the same mean solar time, as that position varies over the course of a year. This one has been taken by Yiannis Efremidis with 46 photos in 2017 ow.ly/Vy6M30njNY4
963
Irukandji syndrome is induced by the sting of certain box jellyfish. Unless immediately treated, victims can die, but a symptom of the syndrome is a feeling of "impending doom": victims are so certain they will die, they beg their doctors to kill them: buff.ly/3Byzbfq
964
A quite effective visual explanation of the checker shadow illusion [read more: buff.ly/2He9KRw] [source and verification: buff.ly/31LyhYv]
965
This classic video show a LEGO TECHNIC functional Model of a Bridge Girder machine SLJ 90032 Wowjoint
[full video, Wolf Zipp: buff.ly/3eCoy1Z]
966
The vaquita is a rare species of porpoise endemic to the northern part of the Gulf of California. It's the most endangered cetacean in the world. A 2019 estimate reported that a maximum of 22 and a minimum of 6 vaquita porpoises remain buff.ly/2J7gem2
967
The black leopards of the Malaysian Peninsula may look like they have uniform dark coats, but hidden cameras with infrared light reveal a surprise: The black cats sport the characteristic leopard spots within their dark-hued coats [read more: buff.ly/2vj67bP]
968
When researchers found this kind of mysterious underwater 'crop circles', they did not know the cause. Then, they proved to be amazing artwork made by pufferfish to attract and win a mate [source and full video: bit.ly/2p5JBLk]
969
In this video by QuantumBoffin, an experiment demonstrates the total internal reflection of light inside a glass block. An angular scale is used to measure the critical angle and determine the refractive index of the glass [full video: buff.ly/3eDRoNG]
970
These excerpts from a 1980 documentary about Czech animator Karel Zeman show how some of Karel’s special effects were achieved in the movies he made between 1947 and 1980
[full video + read more: buff.ly/3LAKWnn]
971
Life before the invention of AutoCAD. An overview of historical photos before the advent of computer-aided design and drafting software (1950-1980) [read more: buff.ly/3lfr6T6]
972
The dragon headed caterpillar
In tropical Asia, a species of fast-flying canopy butterfly (Polyura athamas) has this unusual caterpillar, showing four impressive divergent curved fleshy spinous processes on its head
[source 📹: buff.ly/3qDXdPW]
973
1959's Friden SBT10 was a very luxury full function mechanical calculator. This video shows how it divides 355 by 113 (approximation of π) and other calculations
[read more: buff.ly/3CQkKRa]
[source, Tiny H: buff.ly/30WLB0T-]
974
When particle physicist John Ellis lost a bet, he had to include the word "penguin" in his next scientific paper. After struggling to find a way, he "smoked some illegal substance" which gave him the inspiration for the now important Penguin Diagrams ow.ly/hVis30nmTpb
975
There are occasions when dolphin pods gather with other pods to form superpods of 100 or even several thousand dolphins. This superpod was observed in Laguna Beach, California in March 2020
[📹 Chuck Patterson: buff.ly/3S4aqwS]
Astronomy, astronautics, meteorology, physics. Engineer, trying to build the big picture of #science via selected & curated pics, videos & links